Press Release For More Information Contact: Barbara Calt, Director of Sales Lambda Research Corporation 25 Porter Rd. Littleton, MA 01460 Phone: 978-486-0766 Ext. 11 Fax: 978-486-0755 Email: bcalt@lambdares.com

LAMBDA RESEARCH CORPORATION DEBUTS TRACEPRO^® 4.0

Littleton, MA, January 24, 2007 – Lambda Research Corporation, a leading supplier of optical design software, today announced availability of TracePro 4.0 , a foremost release of its software for optical modeling, design and analysis.

TracePro 4.0 delivers number of new powerful capabilities addressing the optical design challenges in variety of industry applications. Sampling of those include fluorescence modeling for life sciences, photorealistic rendering for accurate visualization of illumination designs and enhanced modeling of 3D surface textures utilized in the design of LCD backlight displays, projection systems, lightpipes and microarrays.

Additionally, TracePro users will benefit from a significant increase in raytracing speed, major enhancements in the user interface and improved translators for OSLO^® , Zemax^® , Code V^® enabling an easy import of lens designs to TracePro.

TracePro 4.0 is complemented with an optimization modulefor automation of the complex trial and error design steps when finding optimal luminaire, light guide and reflector geometry for maximum light intensity and uniformity.

A new release of TracePro Bridge™ for SolidWorks^® , a seamless interface between mechanical design and optical analysis, is being released simultaneously, demonstrating Lambda Research’s commitment to software interoperability and efficient management of optical and mechanical design workflows. The latest release of TracePro Bridge addresses more complex models and offers users an expanded database of optical material and surface properties.

TracePro 4.0 is being shipped to existing customers in January 2007.

Modeling of Fluorescence, Luminance and 3D surface textures in new release of TracePro 4.0

NEW PRODUCT ANNOUNCEMENT

Release of TracePro^® 4.0

TracePro 4.0 delivers number of new powerful capabilities addressing the optical design challenges in variety of industry applications including fluorescence modeling for life sciences, photorealistic rendering for accurate visualization of illumination designs and enhanced modeling of 3D surface textures utilized in the design of LCD backlight displays, and projection systems. Additionally, TracePro users will benefit from a significant increase in raytracing speed, major enhancements in the user interface and improved translators for OSLO^® , Zemax^® , Code V^® . TracePro 4.0 is complemented with an optimization module for automation of the complex trial and error design steps and a new release of TracePro Bridge™ for SolidWorks^® , a seamless interface between mechanical design and optical analysis, featuring an expanded database of optical material and surface properties. For more information, please visit www.lambdares.com.